Di-t-Butylhydroquinone (DTBHQ)

INCI: DI-T-BUTYLHYDROQUINONE

Di-t-Butylhydroquinone (DTBHQ) (CAS 1322-72-1 (mixture); 88-58-4 (2,5-isomer)) is a cosmetic cosmetic ingredient functioning as Antioxidant (lipid peroxidation inhibitor). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 1322-72-1 (mixture); 88-58-4 (2,5-isomer) →

Auto-generated CPSR Part A draft with source citations
CAS Number
1322-72-1 (mixture); 88-58-4 (2,5-isomer)
View industrial chemical safety profile →
Function
Antioxidant (lipid peroxidation inhibitor)
Safety Rating
POOR

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes CIR Expert Panel concluded insufficient data to support safety in cosmetics

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Di-t-Butylhydroquinone (DTBHQ).

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Expert safety assessment and concern-level summary for Di-t-Butylhydroquinone (DTBHQ).

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Di-t-Butylhydroquinone (DTBHQ) safe in cosmetics?

Di-t-Butylhydroquinone (DTBHQ) has a safety rating of "POOR" in our database. EU status: permitted. US status: permitted.

Is Di-t-Butylhydroquinone (DTBHQ) allowed in the EU?

Di-t-Butylhydroquinone (DTBHQ) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Di-t-Butylhydroquinone (DTBHQ) do in cosmetics?

Di-t-Butylhydroquinone (DTBHQ) functions as: Antioxidant (lipid peroxidation inhibitor). It is classified as a cosmetic ingredient in our database. CAS number: 1322-72-1 (mixture); 88-58-4 (2,5-isomer).

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